Presentations of the ALERT Workshop 2009

ALERT Workshop 2009
12th-14th October 2009, Aussois, France

DAY 1, MONDAY, OCTOBER 12
Modelling of natural hazard and vulnerability of structures in geomechanics
Coordinators: M. Pastor and P. Kotronis

  • PSD method & algorithms and the Distributed Laboratory (P. Pegon)
  • Some contributions of physical and numerical modelling to the assessment of reinforced concrete structures and masonry infilled RC frames under extreme dynamic loading (D. Combescure)
  • Design of Rockfall shelters (F. Calvetti, C. di Prisco)
  • Non linear numerical modelling of pile-landslide interaction (A. Galli, C. di Prisco and G. Cocchetti)
  • A multi-scale model for composite rockfall protection structures combining experiments and numerical simulations (F. Bourrier, P. Gotteland and S. Lambert, F. Nicot)
  • A mesoscopic model for describing the transition from diffuse to localized damage in concrete (C. La Borderie)
  • Numerical simulation of interaction between avalanche and obstacles (M. Wawra, Y. Wang, H. Teufelsbauer, W. Wu)
  • Discrete element modelling to compute drag coefficients of obstacles impacted by granular flows (L. Favier, D. Daudon, F.V. Donzé and J. Mazars)
  • Finite element models and sensitivity analysis of the vulnerability of protecting tunnel under avalanches impact loading (D. Daudon, P. Szczurowska, J. Baroth, Y. Ma, P. Perrotin and M. Momessin)
  • Numerical modelling of rainfall effects on the slow movement of slopes (F. Lopez-Caballero and A. Modaressi)
  • Modelling of marine foundations (A. Chan)
  • Stability analysis of a natural slope subjected to unsaturated transient seepage (J. Eichenberger, N. Matthieu and L.Laloui)
  • Influence of heterogeneity on the reliability and risk of a long 3D slope (M.A. Hicks, J.D. Nuttall, J. Chen)
  • Relevance of hydro-mechanical coupled approach for geotechnical boundary value problems (S. Cuomo, L. Cascini, M. Pastor and G. Sorbino)
  • An exercise on slope stability and perfect elastoplasticity
    (C. di Prisco, F. Pisanò)
  • Granular flows: from small-scale experiments to full-scale avalanches. Flow dynamics and forces on structures
    (T. Faug, G. Chambon, M. Naaim and S. Bonelli)
  • Rainfall induced flow slides: A modelling approach to evaluate triggering conditions (G. Buscarnera and R. Nova)
  • Numerical study on the entrainment of bed material into rapid landslides (M. Pirulli, M. Pastor and C. Scavia)
  • First attempt of numerical modelling of landslides using the FEM with Lagrangian Integration Points (F. Dufour, A. Di Donna, F. Prunier and F. Darve)
  • Subsidence Diffusion-Convection in Geostructures: The Direct Elliptic Problem (E. Vairaktaris, M. Stavropoulou and I. Vardoulakis)

DAY 2, TUESDAY, OCTOBER 13
Geomechanics at small scale
Coordinators: P. Delage and D. Muir Wood

  • Probing the microstructure of colloidal pore networks: focus on clay suspensions (P. Levitz, S. Brisard, L. Michot and I. Bihannic
  • Volume and fabric changes of three saturated clays from low to high stresses (W. Baille,T. Schanz)
  • Micromechanical modelling of time dependent behaviour of heterogeneous rocks (J.F Shao, Y Huang and D Kondo)
  • Microstructure features affecting the phenomenological behaviour of moderately active clays (G. Della Vecchia, C. Jommi and E. Romero)
  • A constitutive equation for the shale matrix of argillite
    (S. Cariou)
  • Three dimensional DEM models of calibration chamber CPT tests (J. Butlanska, M. Arroyo, A. Gens and F. Calvetti)
  • Effect of direct shear box size and aspect ratio to shear band thickness investigated using Distinct Element Method (Y. P. Cheng, H. K. Law, K. B.Wong)
  • Stress-strain behaviour and stick-slip instabilities in model loose granular materials: DEM simulations compared to experiments (C. Dequeker, J.-N. Roux, T. Doanh)
  • Observations on DEM calibration and homogenization from a study on a cemented sand (C. O’Sullivan)
  • Mechanisms of compaction band formation in porous sandstone: grain scale characterisation E.M. Charalampidou, H. Lewis, G. Couples, G. Viggiani, S. Stanchits)
  • Physical modelling of localization of deformation in pure frictional and cohesive-frictional material (L.Röchter, T. Schanz)
  • A micro-scale model of quasi-brittle evolution of damage
    (A.-M. Dobrovat, C. Dascalu and S. Hall)
  • Modelling of hydro-mechanical coupling in saturated porous media containing cavities by two homogenisation methods (J. Lewandowska and D. Kondo)
  • On the micromechanical modelling of damage and applications to some geotechnical problems (S. Levasseur, F. Collin, R. Charlier, Q. Zhu and D. Kondo)
  • Hazard and Risk Assessment for Landslides and Tsunamis (S. Lacasse)

DAY 3, WEDNESDAY, OCTOBER 14
Time-Dependent Processes in Geomechanics
Coordinators: I. Vardoulakis and S. Bonelli

  • The Mechanics of initiation and progression of concentrated leak erosion in dams (R. Fell)
  • Initiation of internal erosion in hydraulic structures (J.-J. Fry)
  • Experimental identification of mobile particles in suffusible non-cohesive soils (M.R.S. Sadaghiani, O. Semar and K.J. Witt)
  • Modelling consequences of changing grading through suffusion
    (D.M. Wood)
  • Erosion-induced deformations in soils (P.-Y. Hicher, C. Chang)
    Sand production in cavity tests under oil and/or water flow (E. Papamichos, J.F. Stenebråten and P. Cerasi)
  • Internal erosion in cohesionless soils: a multi-phase model on multiple scales (H. Steeb,  A. Scheuermann)
  • Quantification of erodible fines as basis for modelling internal erosion
    (A. Scheuermann, H. Steeb)
  • Energy analysis of two types of surface erosion tests (P.-L. Regazzoni, D. Marot and T. Whal)
  • Bed load transport by laminar shearing flows (P. Aussillous, M. Ouriemi and E. Guazzelli)
  • Fluid flow induced deformation of porous media (J. Gunnar I. Hellström, T. S. Lundström and V. Frishfelds)
  • Discrete element method with particle-gas interaction (F. Dubois, A. Martin, Y. Monerie and F. Radjai)
  • Transport of mass through granular media including a characteristic at the
    micro-scale (N. Reboul, E. Vincens and B. Cambou)
  • Modeling, with a unified level-set representation, of the erosion of a hollow
    in the ground under different physical phenomena (R. Cottereau, P. Diez and A. Huerta)
  • Three-dimensional numerical modelling of interfacial erosion (F. Golay, D. Lachouette, P. Seppecher and S. Bonelli)

Special ALERT Lecture 2009
Prof. Suzanne Lacasse, professor at Norvegian Geotechnical Institute

 

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